John Dewey Annex adds 553 seats for Gravesend middle schoolers

The John Dewey Annex, a new three-story school in Gravesend, officially opened Tuesday, adding 553 seats for Brooklyn students as the city continues expanding public school capacity ahead of the 2026-2027 school year. Mayor Zohran Mamdani and the NYC School Construction Authority President and CEO Celeste A. Ramirez marked the opening of the John Dewey Annex at 106 Avenue X on Sept. 8. The $77.71 million facility will serve students in grades six through eight and provide a pathway to the a